The present invention includes a device and a method for fabricating a device that is an optical power mode transformer that accepts light in a mode transformation direction where the transformer is attached to or embedded in a semiconductor microchip and includes a first single or multimode optical...http://www.google.fr/patents/US8116602?utm_source=gb-gplus-shareBrevet US8116602 - High efficiency optical mode transformer for matching a single mode fiber to a high index contrast planar waveguide
High efficiency optical mode transformer for matching a single mode fiber to ...
